201212121663

素因数分解:

$3^2\times 7^1\times {\mathrm{3193843201}}^1$

素因数の和:3193843214

約数の個数: 12

約数和(自身を含む): 332159693008

約数和(自身を除く): 130947571345

約数列:

[1, 3, 7, 9, 21, 63, 3193843201, 9581529603, 22356902407, 28744588809, 67070707221, 201212121663]

約数ペア:

[(1, 201212121663), (3, 67070707221), (7, 28744588809), (9, 22356902407), (21, 9581529603), (63, 3193843201)]